Table 1 Mechanical parameters of coal wall rib spalling.
From: Research on bending-slip rib spalling and rib stability of extra-thick hard coal wall
L/m | h/m | θ/° | γ/(kN·m-3) | cj/MPa | φj/MPa |
---|---|---|---|---|---|
6 | 1 | 85 | 24.5 | 0.042 | 25.35 |
From: Research on bending-slip rib spalling and rib stability of extra-thick hard coal wall
L/m | h/m | θ/° | γ/(kN·m-3) | cj/MPa | φj/MPa |
---|---|---|---|---|---|
6 | 1 | 85 | 24.5 | 0.042 | 25.35 |